Rotary printing-machine.



T. ELSWORTE.

ROTARY PRINTING MACHINE. APPLICATION FILED APR. 30, 1913.

Pate ted June 1 noses? raternities as niusw'ozs rti,

on mans, ENGLAND.

- resins.

- pecificaci'on Letters tent,

.rppliest-ienfiled iipr'ii 30, 1913. Serial No. 764,555.

hncwn'that Tricia-is Frown Ens-I asrdijec't er the King of Great. T11.residingat Leeds, inth'e county of e England, he e invented certain i Nand useful.Improvement-s, in Rotary .Printnag-Machines, of which thefollowing 't'iil-i. clear, and exact description.

ion relates 0O improvements in; presses and rnore especially t we whichcomprises printing surupon the peripheries of threerc nting 'cyiinderswhich can he no 1. id out of contact 'ith each in which the second ortransfer furnished with two or more surfaces -which receive their own10. in designs from-the design or plate 'ider without super pr'in'tingand transfer-thesein sequence to the sheet or impression surf-acecarried by e-n' impression cylinder. A rotary printing press of thistype siwwn and described in Letters Patent iio. 41 84. I inventionin'this instance consists in on T ronedconstruction which comprisess-uhs' toting tor'tn'e design or plate cylinder of snch a machine, twoor more cylinders each furnished with inking and. damping rollers,according to the nature of the design tri ace carried thereby,e'ach'cylinder being 1 51 printing con-tact with a transfer cylinder orwholly removed therefrom. The design cylinder-s may he of smallerdiameter than the transfer cylinder and are tirei erahly a suhinultiplethereof, corresponding to the ninnber of spaces or printing surfaces onthe periphery oi the transfer cylinderor corresj'v'ond ratio with thenumber of spaces or printing su-rfaces'on the rensfe'r cylinder to thenumber of design surfaces on each of the design cylinders. T he numberofdesig'n or plate cylinders depends upon the number of colors 01designs which it is desired to print upon the sheet.

The invention also consists in'the combi- 'nation and construction ofparts set forth in the specification and claims appended hereto. i

In thedrawings, Figure 1 is a diagram natic sectional view through thecylinders ota rotary press constructed according to *t-he invention;Figs. 2 and 3 are simi'lar wiews showing modifications. awnefernn firstto Fig. 1, the cylinders 1 '1" are of equal diame er and ere each:

- diagrannn-ati'cally and are of the Well known type. If the machine isused tor ietterpress printing, a plate of the stereotype form maybeused, in which case the demoing' roil-ers 5, I)" are not required.The-icy?- ind'ers l. 1 are mounted on eccentric hearings 7, 7 so thatthe design surfaces or plates carried thereby may be nioyedbodilyinto'and out of contact with the peripheral printing sin-faces of thetransfer cyiinder 8. The cylinders are moved by any snitahie mechanism(not shown) so that the design SHIfRCG or plate 2 will only heimpressed'on the. printin-gsurface'tiof the cyiinder 8 and the plate '2only upon the printing, surface 9. The printing surfaces 9 and 9are'simi- 'lar to those used 1n the .petent above re terred to andconsist of blanket-s. made of rubber or the like whichareadeptetijto'fr'eceive the impression trom the design ismface or plate2, 2 revolution and transfer it at each revolution 'to the sheet to beimprinteth'which is hastened to the iniprer surface 'or blanket 10' whena sheet is not carried by the impression cylinde r'cn that 'ievolnticinshown in the pstent'above' referred to,' the cylinder 8 they be movedinto and out of contact with. the cylinder 1. 1 and the impressioncylinder 1O. The sheets to he printed ere fed from a table 1'1 and areseized by grippers 12 which are of any welt known construction and m'ayio'e -.provided with'any well known mechanism torautomatically releasingthe printed sheet, so that it may be removed by the takeoff mechanism13, and for automatically seizing the next sheet to beprinted. It isalso well known how such a mechanism may be "arranged to cause grippersto se'izer a sheet at each revolution or at a secondor third revolutiononly if desired.

Fig. 2 shows a modification in .which'there are hree design cylinders'1, 1-, 1 lsp'a ce'd tor cooperation with the transfer cylinder- 8carrying a like number of printing sur- 't-a'c'cs 95:93 n is onnotedthat with.

"iatented finned? 1 913,.

.ads'fpted to carry 'a'single design surface or;

"ion cylinder '10, or to the printing not a prime number, 1%; is betterto provide each cylinder Willi more than one printing surface so as vreduce ihe number print-- ing cylinders required.

Fig. 3 shovs that form or modification in which there are four design suac 52 2 carried by two plate cyli" ,d-ers .i and 1, each cylinderurryiug two design surfaces. 'lhe iran 1' cylinder 8 carries fourcooperating or iransicr surfaces 9, 9, J, and 9 each of: which isadapted to cooperate with only one of the design surfaces. it is to henoted ilusrefore that the cylinders l, 1 are mounted to he moved intoand out of contact with the transfer cylinder 8 in nu h a manner thatthe design planes 2, 2" are imprinted on the surfaces 9. 9 respectively,

While i'he design surfaces 2 are imprinti, *QCtlVfilfl.

ed upon the surfaces 9 Elilcans for moving the plate c7, iders is shox idiagrauuualically Z and may cons'si of any Well lino. and (he likewhich. r produce 'lS resulr-i The impression or printing cylinder 10 inthis modification is made ouc l ourili the diarnclcr of the transicr cll-r so lha' it is adapted to take an im ion ii in c cacn o" theprinting surfaces carried uy the irau, 1' cylinder. These modificationsare each adapted to he used in the various Ways set out in the parentbefore referred to; for printing siziuiliaucously on hoih sides of thepaper will: either the same designs or colors, as is necessary intransparent work, or with dillerent (h ns and colors; by feeding a sheetof illiil illfil for each revolution of the impression cylinder, thepress may he used to printt'ue same designs on a like number ofsheetsas' there are surfaces on the iransfer cylinder, one for eachrevolution of the impression cylinde r'so increasing the outill: of thepress to any desired degree; the press may also be used for printingtwo, three, or more designs or colors consecutively .on the same sheetby retaining the sheet oil" the impression cylinder for one revolutionof the transfer cylinder, inwhich case each of the printing surfaceswill he transferred to the sheet in turn dependihg' side simultaneously.By properly feeding the sheet, negative plates may he used on some ofthe design cylinders which Will in turn be iranslieri ed to the blanketsof the irans cylinder and impressed upon the hlanl cl the impressioncylinder which will gire'thc correct design on the inside of l'hc sheetcarried thereby.

Having l'hus described my invention, 1 claim:

l. A rotary printing machine comprising a rotary impression cylinder, arotary transcylinder having a pluraliiy of printing surfaces adapted forprinting coni'acl; there with, a plurality of ro'lary design cylindersadapted to hold design surfaces equal in nuinhcr i'io iii-e number ofprinting surfaces, and means for bodily moving said design cylinders Forimpressing each design surface upon a surface ofihe transfer cylinder,espccii ely.

2. A rotary priming" inachine comprising a rol'ary impression cylinder,a rotary transfer cylinder having a plurality of printing surfaces inprinting contact therewith, a plualiliy of roiary design cylinders eachha ing'a design surface, and means for hodily moving said designcylinders towarc and away from said transfer cylinder 50 inroress eachdesign surface upon a. surface or the l'ransier cylinder, respectively.

A rotary printing; machine comprising an impression cylinder, a transfercylinder min;- a pluraliiy of printing surfaces on periphery adapicd forpricing contact with said impression cylinder, a plurality of rotarydesign surfaces each movable toward and away from the peripheral surfaceof said transfer cylinder, and means for mor inc each of said. designsurfaces into contact with one of said. printing surfaces, respectively,whereby each design surface is impresscd asu -inizc the cylinderwithoutsupcr-prini-ing.

i. A rotary printing machine comprising a cmil'inuously rotating firstcylinder, a plurality of priniing surfaces on its periphery,

a plurality of continuously rotating cylini dcrs of different diameterthan the first cylinder. printing surfaces on said second namedcylinders adapted for contact with lhesurfaces of the first'cylinder, acontinuously rota-ting ihird cylinder. of a diameter which. is asubi'nultiple of that of ihe first cylinder, a single printing surfaceon said third cylinder, and means carried by the third cylinder forretaining ashccl: lo be printed when fed thereto.

A rotary printing machine comprising a continuously rotating transfercylinder, a plurality of printing surfaces on its periphcry, a corrcsponding nurnher of continuously rotating design cylinders each of adiameter which is a suhinultiplc of "tli'at or the transcylindcniheprinting surfaces on said design cylinders being equal in number tothose onthe transfer cylinder, a continuously rotating third cylinder ofa diameter which is a submultiple of that of the transfer cylinder, asingle printing surface on said third cylinder, and means carried by thethird cylinder for retaining a sheet to be printed when fed thereto.

6. A rotary printing machine comprising a plurality of continuouslyrotating design cylinders, a plurality of rinting surfaces on theperipheries thereof each adapted to carry a different design, acontinuously rotating transfer cylinder having printing surfaces equalin niunber to the sum of those on the plurality of design cylinders, acontinuously rotating third cylinder having a single printing surface,and means for 1mparting consecutively to one face of a sheet to beprinted an impression of each of said designs. v

7. A rotary printing machine comprising a rotaryinipression cylinder, atransfer cylinder having a plurality of printing surfaces adapted forprinting contact therewith, a plurality of rotary design cylindersadapted to hold design surfaces equal in number to the sum of theprintingsurfaces, and means for bodily moving one of said last two namedsets of cylinders relative to the other for impressing each designsurface upon a surface of the transfer cylinder respectively.

In witness whereof, I subscribe my signature, in the presence of twoWitnesses.

THOMAS FRANK ELSWORTH. Witnesses:

GEORGE MELLIS, CHARLES E; TAYLOR.

